package com.sx.art2.service;

import java.util.List;

import com.sx.art2.beans.Supplier;

public interface SupplierService {
	List<Supplier> list();
	void add(Supplier supplier);
	void update(Supplier supplier);



	void delete(int supplierId);
	Supplier selectById(int id);

	List<Supplier> list2(String time);
	List<Supplier> list3();
	int select();
}
